Community-acquired pneumonia epidemiology and demographics

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Epidemiology

• Pneumonia is one of the leading cause of death in the world and sixth leading cause in the United States.
• Mortality rate is low in patients treated in the outpatient department and somewhat higher in patients admitted.
• A higher mortality rate is seen in invasive diseases, nursing home patients and severe bacteremia.
• More than 40 % mortality rate is seen in ICU admitted patients.